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/*
* Copyright (C) 2012, Samsung Electronics Co. Ltd. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "ssp.h"
/* SSP -> AP Instruction */
#define MSG2AP_INST_BYPASS_DATA 0x00
#define MSG2AP_INST_LIBRARY_DATA 0x01
#define MSG2AP_INST_SELFTEST_DATA 0x02
#define MSG2AP_INST_DEBUG_DATA 0x03
/* Factory data length */
#define ACCEL_FACTORY_DATA_LENGTH 1
#define GYRO_FACTORY_DATA_LENGTH 27
#define MAGNETIC_FACTORY_DATA_LENGTH 6
#define PRESSURE_FACTORY_DATA_LENGTH 1
#define MCU_FACTORY_DATA_LENGTH 5
#define GYRO_TEMP_FACTORY_DATA_LENGTH 1
#define GYRO_DPS_FACTORY_DATA_LENGTH 1
#define MCU_SLEEP_FACTORY_DATA_LENGTH 39
/*************************************************************************/
/* SSP parsing the dataframe */
/*************************************************************************/
static void get_3axis_sensordata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
int iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->x = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->y = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->z = iTemp;
}
static void get_light_sensordata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
int iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->r = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->g = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->b = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->w = iTemp;
}
static void get_pressure_sensordata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
int iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 16;
sensorsdata->pressure[0] = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
sensorsdata->pressure[0] += iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->pressure[0] += iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += (int)pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->pressure[1] = (s16)iTemp;
}
static void get_gesture_sensordata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
int iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->data[0] = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->data[1] = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->data[2] = iTemp;
iTemp = (int)pchRcvDataFrame[(*iDataIdx)++];
iTemp <<= 8;
iTemp += pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->data[3] = iTemp;
}
static void get_proximity_sensordata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
sensorsdata->prox[0] = (u8)pchRcvDataFrame[(*iDataIdx)++];
sensorsdata->prox[1] = (u8)pchRcvDataFrame[(*iDataIdx)++];
}
static void get_proximity_rawdata(char *pchRcvDataFrame, int *iDataIdx,
struct sensor_value *sensorsdata)
{
sensorsdata->prox[0] = (u8)pchRcvDataFrame[(*iDataIdx)++];
}
static void get_factoty_data(struct ssp_data *data, int iSensorData,
char *pchRcvDataFrame, int *iDataIdx)
{
int iIdx, iTotalLenth = 0;
unsigned int uTemp = 0;
switch (iSensorData) {
case ACCELEROMETER_FACTORY:
uTemp = (1 << ACCELEROMETER_FACTORY);
iTotalLenth = ACCEL_FACTORY_DATA_LENGTH;
break;
case GYROSCOPE_FACTORY:
uTemp = (1 << GYROSCOPE_FACTORY);
iTotalLenth = GYRO_FACTORY_DATA_LENGTH;
break;
case GEOMAGNETIC_FACTORY:
uTemp = (1 << GEOMAGNETIC_FACTORY);
iTotalLenth = MAGNETIC_FACTORY_DATA_LENGTH;
break;
case PRESSURE_FACTORY:
uTemp = (1 << PRESSURE_FACTORY);
iTotalLenth = PRESSURE_FACTORY_DATA_LENGTH;
break;
case MCU_FACTORY:
uTemp = (1 << MCU_FACTORY);
iTotalLenth = MCU_FACTORY_DATA_LENGTH;
break;
case GYROSCOPE_TEMP_FACTORY:
uTemp = (1 << GYROSCOPE_TEMP_FACTORY);
iTotalLenth = GYRO_TEMP_FACTORY_DATA_LENGTH;
break;
case GYROSCOPE_DPS_FACTORY:
uTemp = (1 << GYROSCOPE_DPS_FACTORY);
iTotalLenth = GYRO_DPS_FACTORY_DATA_LENGTH;
break;
case MCU_SLEEP_FACTORY:
uTemp = (1 << MCU_SLEEP_FACTORY);
iTotalLenth = MCU_SLEEP_FACTORY_DATA_LENGTH;
break;
}
ssp_dbg("[SSP]: %s - Factory test data %d\n", __func__, iSensorData);
for (iIdx = 0; iIdx < iTotalLenth; iIdx++)
data->uFactorydata[iIdx] = (u8)pchRcvDataFrame[(*iDataIdx)++];
data->uFactorydataReady = uTemp;
}
int parse_dataframe(struct ssp_data *data, char *pchRcvDataFrame, int iLength)
{
int iDataIdx, iSensorData;
struct sensor_value *sensorsdata;
sensorsdata = kzalloc(sizeof(*sensorsdata), GFP_KERNEL);
if (sensorsdata == NULL)
return ERROR;
for (iDataIdx = 0; iDataIdx < iLength;) {
if (pchRcvDataFrame[iDataIdx] == MSG2AP_INST_BYPASS_DATA) {
iDataIdx++;
iSensorData = pchRcvDataFrame[iDataIdx++];
if ((iSensorData < 0) ||
(iSensorData >= (SENSOR_MAX - 1))) {
pr_err("[SSP]: %s - Mcu data frame1 error %d\n",
__func__, iSensorData);
kfree(sensorsdata);
return ERROR;
}
data->get_sensor_data[iSensorData](pchRcvDataFrame,
&iDataIdx, sensorsdata);
data->report_sensor_data[iSensorData](data,
sensorsdata);
} else if (pchRcvDataFrame[iDataIdx] ==
MSG2AP_INST_SELFTEST_DATA) {
iDataIdx++;
iSensorData = pchRcvDataFrame[iDataIdx++];
if ((iSensorData < 0) ||
(iSensorData >= SENSOR_FACTORY_MAX)) {
pr_err("[SSP]: %s - Mcu data frame2 error %d\n",
__func__, iSensorData);
kfree(sensorsdata);
return ERROR;
}
get_factoty_data(data, iSensorData, pchRcvDataFrame,
&iDataIdx);
} else if (pchRcvDataFrame[iDataIdx] ==
MSG2AP_INST_DEBUG_DATA) {
iSensorData
= print_mcu_debug(pchRcvDataFrame + iDataIdx+1,
&iDataIdx, iLength);
if (iSensorData) {
pr_err("[SSP]: %s - Mcu data frame3 error %d\n",
__func__, iSensorData);
kfree(sensorsdata);
return ERROR;
}
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
} else if (pchRcvDataFrame[iDataIdx] ==
MSG2AP_INST_LIBRARY_DATA) {
ssp_sensorhub_handle_data(data,
pchRcvDataFrame, iDataIdx, iLength);
break;
#endif
} else
iDataIdx++;
}
kfree(sensorsdata);
return SUCCESS;
}
void initialize_function_pointer(struct ssp_data *data)
{
data->get_sensor_data[ACCELEROMETER_SENSOR] = get_3axis_sensordata;
data->get_sensor_data[GYROSCOPE_SENSOR] = get_3axis_sensordata;
data->get_sensor_data[GEOMAGNETIC_SENSOR] = get_3axis_sensordata;
data->get_sensor_data[PRESSURE_SENSOR] = get_pressure_sensordata;
data->get_sensor_data[GESTURE_SENSOR] = get_gesture_sensordata;
data->get_sensor_data[PROXIMITY_SENSOR] = get_proximity_sensordata;
data->get_sensor_data[PROXIMITY_RAW] = get_proximity_rawdata;
data->get_sensor_data[LIGHT_SENSOR] = get_light_sensordata;
data->report_sensor_data[ACCELEROMETER_SENSOR] = report_acc_data;
data->report_sensor_data[GYROSCOPE_SENSOR] = report_gyro_data;
data->report_sensor_data[GEOMAGNETIC_SENSOR] = report_mag_data;
data->report_sensor_data[PRESSURE_SENSOR] = report_pressure_data;
data->report_sensor_data[GESTURE_SENSOR] = report_gesture_data;
data->report_sensor_data[PROXIMITY_SENSOR] = report_prox_data;
data->report_sensor_data[PROXIMITY_RAW] = report_prox_raw_data;
data->report_sensor_data[LIGHT_SENSOR] = report_light_data;
}
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